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FR3118808B1 - Method for monitoring the execution of a graphical calculation and display chain associated with an aircraft cockpit display screen - Google Patents

Method for monitoring the execution of a graphical calculation and display chain associated with an aircraft cockpit display screen Download PDF

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Publication number
FR3118808B1
FR3118808B1 FR2100154A FR2100154A FR3118808B1 FR 3118808 B1 FR3118808 B1 FR 3118808B1 FR 2100154 A FR2100154 A FR 2100154A FR 2100154 A FR2100154 A FR 2100154A FR 3118808 B1 FR3118808 B1 FR 3118808B1
Authority
FR
France
Prior art keywords
execution
cyclic redundancy
parameter
redundancy code
monitoring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
FR2100154A
Other languages
French (fr)
Other versions
FR3118808A1 (en
Inventor
Philippe Chabot
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Thales SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thales SA filed Critical Thales SA
Priority to FR2100154A priority Critical patent/FR3118808B1/en
Priority to EP22150428.5A priority patent/EP4027244B1/en
Priority to US17/571,126 priority patent/US11688315B2/en
Publication of FR3118808A1 publication Critical patent/FR3118808A1/en
Application granted granted Critical
Publication of FR3118808B1 publication Critical patent/FR3118808B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/1629Error detection by comparing the output of redundant processing systems
    • G06F11/165Error detection by comparing the output of redundant processing systems with continued operation after detection of the error
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/006Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D43/00Arrangements or adaptations of instruments
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/1608Error detection by comparing the output signals of redundant hardware
    • G06F11/1616Error detection by comparing the output signals of redundant hardware where the redundant component is an I/O device or an adapter therefor
    • G06F11/162Displays
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/18Error detection or correction of the data by redundancy in hardware using passive fault-masking of the redundant circuits
    • G06F11/187Voting techniques
    • G06F11/188Voting techniques where exact match is not required
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00General purpose image data processing
    • G06T1/20Processor architectures; Processor configuration, e.g. pipelining
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2201/00Indexing scheme relating to error detection, to error correction, and to monitoring
    • G06F2201/83Indexing scheme relating to error detection, to error correction, and to monitoring the solution involving signatures
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02Details of power systems and of start or stop of display operation
    • G09G2330/021Power management, e.g. power saving
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/06Handling electromagnetic interferences [EMI], covering emitted as well as received electromagnetic radiation
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/08Fault-tolerant or redundant circuits, or circuits in which repair of defects is prepared
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2380/00Specific applications
    • G09G2380/12Avionics applications

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Traffic Control Systems (AREA)

Abstract

Procédé de surveillance de l’exécution d’une chaine de calcul graphique et d’affichage associée à un écran de visualisation de cockpit d’aéronef L’invention concerne un tel procédé (150) comprenant les étapes suivantes, pour au moins un paramètre d’entrée/sortie : - duplication et insertion (164) d’une liste de commandes graphiques associée audit paramètre au sein d’un module de calcul de ladite chaine, - à partir d’une valeur courante dudit paramètre, obtention (168) d’un code de redondance cyclique courant associé à un micro-motif courant, généré par exécution de ladite au moins une liste, - comparaison (170) dudit code de redondance cyclique courant à un code de redondance cyclique de référence stocké dans un espace mémoire dédié pour une valeur sensiblement identique dudit paramètre à un seuil de tolérance près, - en cas d’écart de valeur de code de redondance cyclique, sanction (172) automatique de ladite chaine au moins par suspension de son exécution. Figure pour l'abrégé : Figure 5.Method for monitoring the execution of a graphical calculation and display chain associated with an aircraft cockpit display screen The invention relates to such a method (150) comprising the following steps, for at least one input/output parameter: - duplication and insertion (164) of a list of graphical commands associated with said parameter within a calculation module of said chain, - from a current value of said parameter, obtaining (168) a current cyclic redundancy code associated with a current micro-pattern, generated by executing said at least one list, - comparison (170) of said current cyclic redundancy code with a reference cyclic redundancy code stored in a dedicated memory space for a substantially identical value of said parameter to within a tolerance threshold, - in the event of a deviation in the value of the cyclic redundancy code, automatic sanction (172) of said chain at least by suspending its execution. Figure for abstract: Figure 5.

FR2100154A 2021-01-08 2021-01-08 Method for monitoring the execution of a graphical calculation and display chain associated with an aircraft cockpit display screen Active FR3118808B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR2100154A FR3118808B1 (en) 2021-01-08 2021-01-08 Method for monitoring the execution of a graphical calculation and display chain associated with an aircraft cockpit display screen
EP22150428.5A EP4027244B1 (en) 2021-01-08 2022-01-06 Method for monitoring the execution of a graphical calculation and display chain associated with an aircraft cockpit display screen
US17/571,126 US11688315B2 (en) 2021-01-08 2022-01-07 Method for monitoring the execution of a graphical calculation and display chain associated with an aircraft cockpit display screen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2100154 2021-01-08
FR2100154A FR3118808B1 (en) 2021-01-08 2021-01-08 Method for monitoring the execution of a graphical calculation and display chain associated with an aircraft cockpit display screen

Publications (2)

Publication Number Publication Date
FR3118808A1 FR3118808A1 (en) 2022-07-15
FR3118808B1 true FR3118808B1 (en) 2024-09-06

Family

ID=75953946

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2100154A Active FR3118808B1 (en) 2021-01-08 2021-01-08 Method for monitoring the execution of a graphical calculation and display chain associated with an aircraft cockpit display screen

Country Status (3)

Country Link
US (1) US11688315B2 (en)
EP (1) EP4027244B1 (en)
FR (1) FR3118808B1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10229342B4 (en) * 2002-06-29 2016-10-27 Robert Bosch Gmbh Graphic data processing system and method for processing a graphical element for display on a screen
US7589735B2 (en) * 2005-08-24 2009-09-15 Innovative Solutions & Support (Iss) Aircraft flat panel display system with graphical image integrity
US7724260B2 (en) * 2006-08-25 2010-05-25 Honeywell International Inc. Method and system for image monitoring
US9892479B1 (en) * 2013-03-12 2018-02-13 Rockwell Collins, Inc Independent monitoring of graphics processing units
FR3027127B1 (en) * 2014-10-10 2017-12-08 Thales Sa TOUCH INTERFACE FOR THE FLIGHT MANAGEMENT SYSTEM OF AN AIRCRAFT
US11106329B2 (en) * 2015-09-18 2021-08-31 Honeywell International Inc. Flight deck display systems and methods for generating cockpit displays including dynamic taxi turnoff icons
US11131987B2 (en) * 2018-03-15 2021-09-28 Xinxin Wang Method and system for preventing and detecting hazardously misleading information on safety-critical display

Also Published As

Publication number Publication date
EP4027244A1 (en) 2022-07-13
US20220223078A1 (en) 2022-07-14
EP4027244B1 (en) 2023-11-08
US11688315B2 (en) 2023-06-27
FR3118808A1 (en) 2022-07-15

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